class date{
	public static void main(String args[]){
		msg("yangyufei","man",27);
	}

	public static void msg(String name,String sex,int age){
		String username = name;
		String usersex = sex;
		int userage = age;

		System.out.println("user name is " + username);
		System.out.println("user sex is " + usersex);
		System.out.println("user age is " + userage);
	}
}
